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NTSB investigations: Lycoming 0-540 series, TN

37 cases on aircraft whose registry engine model is Lycoming 0-540 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

NTSB investigations: Lycoming 0-540 series, TN per year, 1964–2026: 37 cases
1964	1
1965	3
1966	1
1967	2
1968	2
1970	1
1971	1
1972	3
1973	1
1976	1
1977	2
1979	3
1980	1
1981	3
1985	1
1987	1
1990	1
2003	1
2006	1
2007	1
2008	1
2014	1
2021	1
2023	1
2026	2

Where

Latest cases

Query with SQL

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'TN' AND c."eventCountry" = 'USA' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"eventStateOrRegion\" = 'TN' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'TN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB ANC26LA096Accident · Minor injuriesClass 3 · LimitedPreliminary reportCessna R182 · Lebanon, TNOn September 1, 2026, about 1815 eastern daylight time, a Cessna R182 airplane was substantially damaged when it was involved in an accident near Lebanon, Tennessee. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal…Sep 1, 2026 · N6346T · Substantial damage NTSB ERA26LA321Accident · No injuriesClass 4 · LimitedInvestigation openCessna R182 · Clarksville, TNAug 30, 2026 · N756EB · Substantial damage NTSB ERA24LA054Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-32-260 · Millington, TNThe pilots’ fuel mismanagement during the cross-country flight and incorrect fuel tank selection for the landing approach, which resulted in fuel starvation, a momentary loss of engine power, and collision with terrain short of the runway.Dec 4, 2023 · N7748J · Substantial damage NTSB ERA21LA173Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-23-250 · Springfield, TNThe flight instructor’s failure to abort the takeoff following a loss of left engine power due to fuel starvation. Also causal was the inadequate maintenance of the left fuel cap by unknown maintenance personnel, which resulted in a blockage of the fuel…Apr 5, 2021 · N5018Y · Substantial damage NTSB ERA15FA066Accident · 1 fatalField investigationFinal reportPiper PA28 · Sommerville, TNThe noninstrument-rated pilot's improper decision to attempt visual flight in instrument meteorological conditions, which resulted in an in-flight loss of airplane control due to spatial disorientation. Contributing to the accident was the pilot’s impaired…Dec 2, 2014 · N8607W · Destroyed NTSB NYC08CA278Accident · No injuriesData collectionFinal reportPiper PA-28-235 · Dresden, TNThe pilot's failure to maintain the proper altitude/clearance while on final approach.Aug 9, 2008 · N9365W · Substantial damage NTSB NYC08FA026Accident · 3 fatalField investigationFinal reportRobinson Helicopter R44 · Jamestown, TNThe pilot’s failure to maintain clearance from a known wire hazard during takeoff.Nov 5, 2007 · N8356C · Destroyed NTSB ATL06CA097Accident · No injuriesData collectionFinal reportCessna R182 · Lebanon, TNImproper maintenance by other maintenance personnel resulting in the puncture of the landing gear hydraulic down line and the failure of the main landing gear to extended on landing.Jun 22, 2006 · N6124T · Substantial damage NTSB ATL03FA111Accident · 3 fatalField investigationFinal reportMaule M-5-235C · Rockvale, TNLoss of engine power for undetermined reasons.Jun 22, 2003 · N555MR · Substantial damage NTSB ATL90LA086Accident · Minor injuriesLimited investigationFinal reportPiper PA-32 · Bolivar, TNThe pilot failed to properly select a tank with sufficient fuel prior to takeoff.Mar 27, 1990 · N5524J · Substantial damage NTSB ATL87LA231Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-235 · Knoxville, TNThe plt rprtd that drg takeoff, the acft clbd normally for about 100 to 150 ft, then the eng lost pwr w/o warning. He switched fuel tanks & tried to restart the eng, but was unable. The acft was lndd & sank in a river, short of an open fld. When the acft was…Aug 14, 1987 · N8661W · Substantial damage NTSB ATL85FA077Accident · 4 fatalField investigationFinal reportCessna R182 · Crossville, TNThe acft collided with wooded, rising terrain at an elevation of about 2800 ft MSL on the west slope of hinch mountain. A passenger, who survived the crash, but died later due to burns, reported that light conditions were dark & she could not see anything…Jan 7, 1985 · N4716R · Destroyed NTSB ATL81FA100Accident · 4 fatalClosedPiper PA-24 · Center Grove, TNJul 23, 1981 · N5472P · Destroyed NTSB ATL81FLT07Accident · No injuriesClosedPiper PA-25 · Pickwick Dam, TNApr 28, 1981 · N7682Z · Substantial damage NTSB ATL81FKW09Accident · Minor injuriesClosedPiper PA-32 · Nashville, TNFeb 14, 1981 · N3932W · Destroyed NTSB IAD80FKW05Accident · No injuriesClosedPiper PA-28 · Carryville, TNJan 15, 1980 · N9216W · Substantial damage NTSB IAD79DLT06Accident · No injuriesClosedPiper PA-24 · Mckenzie, TNAug 4, 1979 · N5345P · Destroyed NTSB IAD79DLT05Accident · No injuriesClosedPiper PA-25 · Covington, TNJun 21, 1979 · N7260Z · Substantial damage NTSB IAD79FKW07Accident · No injuriesClosedPiper PA-25 · Sparta, TNMar 6, 1979 · N4390Y · Destroyed NTSB IAD77DLT05Accident · No injuriesClosedPiper PA-25 · Trimble, TNAug 23, 1977 · N8945L · Substantial damage NTSB IAD77DKW16Accident · No injuriesClosedPiper PA-24 · Greenville, TNFeb 25, 1977 · N5349P · Substantial damage NTSB IAD76FLT12Accident · Serious injuriesClosedPiper PA-32 · Dyersburg, TNJun 15, 1976 · N222GE · Substantial damage NTSB IAD74FLT04Accident · No injuriesClosedPiper PA-23 · Jackson, TNAug 11, 1973 · N5163Y · Minor damage NTSB MIA73DKW10Accident · No injuriesClosedPiper PA-24 · Kingston, TNOct 22, 1972 · N119Q · Substantial damage NTSB MIA73DLT04Accident · No injuriesClosedPiper PA-25 · Jackson, TNSep 15, 1972 · N4747Y · Substantial damage NTSB MIA72DLT16Accident · Minor injuriesClosedPiper PA-25 · Trimble, TNJun 29, 1972 · N4837Y · Destroyed NTSB MIA71FKW35Incident · No injuriesClosedPiper PA-24 · Knoxville, TNFeb 1, 1971 · N5481P · Minor damage NTSB MIA70FKW08Accident · No injuriesClosedPiper PA-24 · Chattanooga, TNMay 22, 1970 · N5481P · Substantial damage NTSB MIA69F0090Accident · Serious injuriesClosedPiper PA-25 · Selmer, TNAug 6, 1968 · N6650Z · Substantial damage NTSB MIA68F0398Accident · No injuriesClosedPiper PA-24 · Millington, TNFeb 9, 1968 · N6284P · Substantial damage NTSB MIA68F0224Accident · No injuriesClosedPiper PA-23 · Nashville, TNOct 1, 1967 · N5100Y · Substantial damage NTSB MIA67F0569Accident · No injuriesClosedPiper PA-24 · Murfreesboro, TNJun 9, 1967 · N6191P · Substantial damage NTSB MIA67F0042Accident · Serious injuriesClosedPiper PA-24 · Livingston, TNJun 10, 1966 · N7235P · Substantial damage NTSB MIA66F0133Accident · No injuriesClosedPiper PA-28 · Ooltewah, TNJun 11, 1965 · N8658W · Substantial damage NTSB MIA65F0029Accident · No injuriesClosedPiper PA-24 · Chattanooga, TNMar 31, 1965 · N6380 · Substantial damage NTSB MIA65F0024Accident · Serious injuriesClosedPiper PA-24 · Memphis, TNMar 31, 1965 · N8180P · Substantial damage NTSB UNK65X0258Accident · No injuriesClosedPiper PA24 · Murfreesburg, TNOct 12, 1964 · N4250 · Substantial damage